/*=========================================================================

Program:   Insight Segmentation & Registration Toolkit
Module:    $RCSfile: itkImageToVTKImageFilter.txx,v $
Language:  C++
Date:      $Date: 2005-06-12 01:23:44 $
Version:   $Revision: 1.7 $

Copyright (c) 2002 Insight Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

This software is distributed WITHOUT ANY WARRANTY; without even 
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef _itkImageToVTKImageFilter_txx
#define _itkImageToVTKImageFilter_txx

namespace itk
{



/**
 * Constructor
 */
  template <class TInputImage>
  ImageToVTKImageFilter<TInputImage>
  ::ImageToVTKImageFilter()
  {

    m_Importer = vtkImageImport::New();

    m_Exporter = ExporterFilterType::New();

    m_Importer->SetUpdateInformationCallback(m_Exporter->GetUpdateInformationCallback());
    m_Importer->SetPipelineModifiedCallback(m_Exporter->GetPipelineModifiedCallback());
    m_Importer->SetWholeExtentCallback(m_Exporter->GetWholeExtentCallback());
    m_Importer->SetSpacingCallback(m_Exporter->GetSpacingCallback());
    m_Importer->SetOriginCallback(m_Exporter->GetOriginCallback());
    m_Importer->SetScalarTypeCallback(m_Exporter->GetScalarTypeCallback());
    m_Importer->SetNumberOfComponentsCallback(m_Exporter->GetNumberOfComponentsCallback());
    m_Importer->SetPropagateUpdateExtentCallback(m_Exporter->GetPropagateUpdateExtentCallback());
    m_Importer->SetUpdateDataCallback(m_Exporter->GetUpdateDataCallback());
    m_Importer->SetDataExtentCallback(m_Exporter->GetDataExtentCallback());
    m_Importer->SetBufferPointerCallback(m_Exporter->GetBufferPointerCallback());
    m_Importer->SetCallbackUserData(m_Exporter->GetCallbackUserData());

  }




/**
 * Destructor
 */
  template <class TInputImage>
  ImageToVTKImageFilter<TInputImage>
  ::~ImageToVTKImageFilter()
  {
    if( m_Importer )
    {
      m_Importer->Delete();
      m_Importer = 0;
    }
  }



/**
 * Set an itk::Image as input 
 */
  template <class TInputImage>
  void
  ImageToVTKImageFilter<TInputImage>
  ::SetInput( const InputImageType * inputImage )
  {
    m_Exporter->SetInput( inputImage );
  }



/**
 * Get a vtkImage as output
 */
  template <class TInputImage>
  vtkImageData *
  ImageToVTKImageFilter<TInputImage>
  ::GetOutput() const
  {
    return m_Importer->GetOutput();
  }




/**
 * Get the importer filter
 */
  template <class TInputImage>
  vtkImageImport *
  ImageToVTKImageFilter<TInputImage>
  ::GetImporter() const
  {
    return m_Importer;
  }



/**
 * Get the exporter filter
 */
  template <class TInputImage>
  typename ImageToVTKImageFilter<TInputImage>::ExporterFilterType *
  ImageToVTKImageFilter<TInputImage>
  ::GetExporter() const
  {
    return m_Exporter.GetPointer();
  }



/**
 * Delegate the Update to the importer
 */
  template <class TInputImage>
  void
  ImageToVTKImageFilter<TInputImage>
  ::Update()
  {
    m_Importer->Update();
  }





} // end namespace itk

#endif

